What are some examples of impure functions in programming?
An example of an AI chatbot conversation about impure functions in programming.
Can you explain what impure functions are in programming?
Impure functions are functions that can produce side effects or depend on external state. They don't always return the same output for the same input.
Can you give me some examples of impure functions?
Sure! An example of an impure function is one that modifies a global variable or interacts with I/O operations, like reading from a file.
Why are impure functions considered problematic?
They can make code harder to test and reason about, as their behavior can change based on external factors.
How can I avoid using impure functions?
You can use pure functions, which always return the same output for the same input and have no side effects.
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